56478 has 8 divisors (see below), whose sum is σ = 112968. Its totient is φ = 18824.

The previous prime is 56477. The next prime is 56479. The reversal of 56478 is 87465.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56477) and next prime (56479).

It is a sphenic number, since it is the product of 3 distinct primes.

56478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4701 + ... + 4712.

It is an arithmetic number, because the mean of its divisors is an integer number (14121).

2⁵⁶⁴⁷⁸ is an apocalyptic number.

56478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56484).

56478 is a wasteful number, since it uses less digits than its factorization.

56478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9418.

The product of its digits is 6720, while the sum is 30.

The square root of 56478 is about 237.6510046265. The cubic root of 56478 is about 38.3671702913.

The spelling of 56478 in words is "fifty-six thousand, four hundred seventy-eight".